251Which is the highest mountain in Europe?
252Which is the highest mountain peak in North America?
253Which is the highest mountain peak in South America?
254Which is the highest mountain peak in Australia?
255Which is the most active volcano in Europe?
256Which is the largest hot desert located on the Arabian Peninsula?
257The Amazon River empties into which ocean?
258The Nile River empties into which sea?
259Mount Everest lies on the border between which two countries?
260K2, the world’s second-highest mountain, belongs to which mountain range?
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